ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 373

• Manufacturer Part Number: ATmega1284PR231
• Manufacturer: Atmel Corporation

Specifications of ATmega1284PR231

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 20 MHz
• Max I/o Pins: 32
• Spi: 3
• Twi (i2c): 1
• Uart: 2
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Crypto Engine: AES
• Sram (kbytes): 16
• Eeprom (bytes): 4096
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 3
• Frequency Band: 2.4 GHz
• Max Data Rate (mb/s): 2
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -101
• Receive Current Consumption (ma): 13.2
• Transmit Current Consumption (ma): 14.4
• Link Budget (dbm): 104

8059D–AVR–11/09
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Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 6
About Code Examples ............................................................................. 6
AVR CPU Core .......................................................................................... 7
AVR Memories ........................................................................................ 16
System Clock and Clock Options ......................................................... 27
2.1Block Diagram ...........................................................................................................3
2.2Pin Descriptions ........................................................................................................4
5.1Overview ...................................................................................................................7
5.2ALU – Arithmetic Logic Unit ......................................................................................8
5.3Status Register ..........................................................................................................8
5.4General Purpose Register File ................................................................................10
5.5Stack Pointer ...........................................................................................................11
5.6Instruction Execution Timing ...................................................................................12
5.7Reset and Interrupt Handling ..................................................................................13
6.1Overview .................................................................................................................16
6.2In-System Reprogrammable Flash Program Memory .............................................16
6.3SRAM Data Memory ...............................................................................................17
6.4EEPROM Data Memory ..........................................................................................19
6.5I/O Memory ..............................................................................................................20
6.6Register Description ................................................................................................21
7.1Clock Systems and their Distribution .......................................................................27
7.2Clock Sources .........................................................................................................28
7.3Low Power Crystal Oscillator ...................................................................................30
7.4Full Swing Crystal Oscillator ....................................................................................31
7.5Low Frequency Crystal Oscillator ............................................................................32
7.6Calibrated Internal RC Oscillator .............................................................................34
7.7128 kHz Internal Oscillator ......................................................................................35
7.8External Clock .........................................................................................................35
7.9Timer/Counter Oscillator .........................................................................................36
7.10Clock Output Buffer ...............................................................................................36
7.11System Clock Prescaler ........................................................................................36
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